Dilution method of disposing of sewage, is not preferred to_______________?
The reduced levels of the string at the consecutive sight rails A and B are 203.575 m, 203.475 m respectively. If the difference of their R.D.s is 10 m, the gradient of the sewer line is_________________?
For the COD test of sewage, organic matter is oxidised by K2Cr2O7 in the presence of________________?
In sewers the velocity of flow should not be_________________?
In sewers the effect of scouring is more on__________________?
Sewer ventilating columns are generally placed at_______________?
In a sedimentation tank (length L, width B, depth D) the settling velocity of a particle for a discharge Q, is____________________?
Water content of sewage is about___________________?
The most efficient cross-section of sewers in a combined sewerage system is________________?
Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for__________________?
